A compound (molecular mass 64.59u) has the following data:
(table)
Elements A B C
Relative No. of atom 3.10 7.80 1.55
% Composition 37.215 7.8 54.98
Determine:
(i) Atomic masses of the elements A,B and C
(ii) Simplest atomic ratios of the elements
(iii) Molecular formula of the compound
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Answer:
Step I : Calculation of the atomic masses of the elements <br> Atomic mass of element
<br> Atomic mass of
u <br> Atomic mass of
u <br> Atomic mass of
u <br> Step II. Calculation of simplest atomic ratios of the elements <br>
<br> Step III. Calculation of the molecular formula <br> Empirical formula of compound
<br> Empitical formula mass of the compound
u <br>
<br>
Molecular formula
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